Tiger WOODS (USA) arrives on the 18th green as police officers clean up purple flower bombs thrown onto the 18th green during fourth round The Open Championship 2006,Royal Liverpool,Hoylake,Whirral,England.The bombs were thrown just as Woods approached the 18th green for his final shot of the tournament.It is believed that the missiles were thrown by a splinter section of the now defunct Fathers 4 Justice group.